Eppendorf Galaxy Gas Analyzer - Manual (Page 7)

7
Galaxy® Gas Analyzer — Operating manual
G
General warnings Displayed throughout the documentation with a warning symbol. Warning information may affect
the safety of users.
I
Inlet port Port located on the top of the analyzer to which the inlet tube is attached.
L
LCD display Liquid Crystal Display. Fitted to the front panel of the analyzer.
M
Main screen The main analyzer screen for normal operations and all operations are carried out from this
screen.
Moisture removal
tube
Device used to remove water vapor from the sample gas. This is located at the back of the
analyzer and should not be covered, partially covered, or blocked in any way. This is not
user-serviceable and should NOT be removed by the user.
O
O
2
Oxygen gas, typically 20.9 % in air, measured via electro-chemical cell.
Over-range codes Over-range codes are errors above the maximum allowed reading and will be displayed with
more than chevrons (>>.>).
P
ppm Parts per million.
Predetermined Set up prior to use, either preset at the factory or set via the optional Analyzer Data Manager.
Pump The device used to transfer a gas sample into the instrument, where that sample is not under
pressure. Press the Pump key on the gas analyzer to activate the pump.
R
Regulator flow The regulator’s flow is factory-set. It only requires a few turns to open; no adjustment is available.
S
Sample tube Tube used to transfer sample gas from the source to the analyzer. This is user-serviceable.
Span The point at which the gas analyzer is calibrated when a known concentration of the target gas is
present.
T
T 90 The response time required to reach 90 % of set-point.
Temperature
probe(s)
Optional external device(s) to enable the instrument to read, display and record temperature.
U
Under-range codes Under-range codes are errors below zero and will be displayed with less than chevrons (<<.<).
User calibration Users have the facility to calibrate the analyzer between services. User calibration of the gas
analyzer will improve the data accuracy in the range of the calibration gases used.
W
Warm-up self-test Predetermined self-test sequence to test the analyzer functions. This takes place after the
analyzer is switched on.
Warranty The instrument is guaranteed against defect in materials and workmanship for a period of 12
months from the date of shipment to the user. The warranty is subject to the recommended
service and recalibration requirements, and may be rendered invalid by inappropriate user
attempts to service the instrument.
Z
Zero The point at which the gas analyzer is calibrated when there is none of the target gas present.
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